What to do when it comes to sourcing products is a common question for many entrepreneurs that are new to selling things on their eCommerce websites.
Map out who the people are that you plan to sell to and start to research all there is to know about their buying habits.
Use Amazon to your advantage. Amazon are one of the largest global suppliers and therefore their database is extensive when it comes to selling many similar products online. So utilise this!
Another way which you can use Amazon to your benefit is looking through the reviews on each product. This will deepen your knowledge of the market further.